Casio G-Shock Heavy Duty GA 900 4AER watch reliable and standardized according to

reliable and standardized according to military specifications

driven by a 5-lobe head so that the driver (included with the watch) can't slip or climb out

When the minutes hand is pointing at the luminous triangle marker on the bezel

The Diver's Automatic Medium uses a scratch resistant sapphire glass crystal to ensure maximum legibility

while the screw-down stainless-steel case back reinforces durability

Casio G-Shock Heavy Duty GA 900 4AER watch reliable and standardized according toIntroducing Casio's lineup of heavy duty models that are great for wearing in tough environments and as well as fashion statements in their own right. The Casio GA 900 4AER model is supplied with with a red case and band. The industrial design of this models is created by a 10 sided bezel that resembles the shape of a nut. The bezel is secured by four screws for a tough and rugged look. Combination timekeeping is provided by analog hands along with a